Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
Stwolno experiences a moderate temperature shift at the start of December, with average high-temperatures adjusting a bit from a frosty 8.3°C (46.9°F) in November to an icy 3.5°C (38.3°F). Stwolno nights in December witness a mild cool down to an average temperature of -0.5°C (31.1°F).Humidity
The average relative humidity in December in Stwolno is 87%.Rainfall
In Stwolno, Poland, during December, the rain falls for 11.5 days and regularly aggregates up to 27mm (1.06") of precipitation. Throughout the year, there are 131.6 rainfall days, and 324mm (12.76") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Stwolno, in December, during 6.8 snowfall days, 48mm (1.89") of snow is typically accumulated. Throughout the year, in Stwolno, there are 35.3 snowfall days, and 252mm (9.92") of snow is accumulated.Daylight
The month with the shortest days in Stwolno is December, with an average of 7h and 54min of daylight.On the first day of December, sunrise is at 07:36 and sunset at 15:46. On the last day of the month, sunrise is at 07:58 and sunset at 15:52 CET.
Sunshine
The average sunshine in December is 3.5h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 2 in December translates into these instructions:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Frequently asked questions
How cold is December in Stwolno?
What is the average humidity in December in Stwolno?
How much does it rain in Stwolno in December?
How much does it snow in Stwolno in December?
What is the month with the shortest days in Stwolno?
What is the average length of the day in December in Stwolno?
What time are sunrise and sunset in December in Stwolno?
How many hours of sunshine does Stwolno have in December?
What is the month with the lowest UV index in Stwolno?
What is the UV index intensity in December in Stwolno?
Average temperature in December
Stwolno, Poland
- Average high temperature in December: 3.5°C
The warmest month (with the highest average high temperature) is August (25.3°C).
The month with the lowest average high temperature is January (1.3°C).
- Average low temperature in December: -0.5°C
The month with the highest average low temperature is August (15.4°C).
The coldest month (with the lowest average low temperature) is January (-2.3°C).
Average pressure in December
Stwolno, Poland
- Average pressure in December: 1016.4mbar
The month with the highest atmospheric pressure is October (1017.8mbar).
The month with the lowest atmospheric pressure is July (1014.3mbar).
Average wind speed in December
Stwolno, Poland
- Average wind speed in December: 13.8km/h
The windiest month (with the highest average wind speed) is December (13.8km/h).
The calmest months (with the lowest average wind speed) are July and August (11km/h).
Average humidity in December
Stwolno, Poland
- Average humidity in December: 87%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (65%).
Average rainfall in December
Stwolno, Poland
- Average rainfall in December: 27mm
The wettest month (with the highest rainfall) is May (41mm).
The driest month (with the least rainfall) is September (17mm).
Average rainfall days in December
Stwolno, Poland
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is September (7.9 days).
Average snowfall in December
Stwolno, Poland
- Average snowfall in December: 48mm
The month with the highest snowfall is January (91mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Stwolno, Poland
- Average snowfall days in December: 6.8 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Stwolno, Poland
- Average daylight in December: 7h and 5min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in December: 3h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in December
Stwolno, Poland
- Average sunshine days in December: 13.6 days
The month with the most sunshine days is September (21.5 days).
The month with the least sunshine days is February (11.4 days).
Average UV index in December
Stwolno, Poland
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Stwolno, Poland
- Average cloud cover in December: 65
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Stwolno, Poland
- Average visibility in December: 8km
The months with the highest visibility are June, July, August and September (10km).
The month with the lowest visibility is January (7km).
Stwolno, Poland
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